forked from lift/examples
/
Ajax.scala
90 lines (75 loc) · 2.58 KB
/
Ajax.scala
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
/*
* Copyright 2007-2010 WorldWide Conferencing, LLC
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package net.liftweb {
package example {
package snippet {
import _root_.net.liftweb.http._
import _root_.net.liftmodules.widgets.autocomplete._
import S._
import SHtml._
import js._
import js.jquery._
import http.jquery._
import JqJsCmds._
import JsCmds._
import common._
import util._
import Helpers._
import _root_.scala.xml.{Text, NodeSeq}
class Ajax extends Loggable {
def sample(xhtml: NodeSeq): NodeSeq = {
// local state for the counter
var cnt = 0
// get the id of some elements to update
val spanName: String = S.attr("id_name") openOr "cnt_id"
val msgName: String = S.attr("id_msgs") openOr "messages"
// build up an ajax <a> tag to increment the counter
def doClicker(text: NodeSeq) =
a(() => {cnt = cnt + 1; SetHtml(spanName, Text( cnt.toString))}, text)
// create an ajax select box
def doSelect(msg: NodeSeq) =
ajaxSelect((1 to 50).toList.map(i => (i.toString, i.toString)),
Full(1.toString),
v => DisplayMessage(msgName,
bind("sel", msg, "number" -> Text(v)),
5 seconds, 1 second))
// build up an ajax text box
def doText(msg: NodeSeq) =
ajaxText("", v => DisplayMessage(msgName,
bind("text", msg, "value" -> Text(v)),
4 seconds, 1 second))
// bind the view to the functionality
bind("ajax", xhtml,
"clicker" -> doClicker _,
"select" -> doSelect _,
"text" -> doText _,
"auto" -> AutoComplete("", buildQuery _, _ => ()))
}
private def buildQuery(current: String, limit: Int): Seq[String] = {
logger.info("Checking on server side with "+current+" limit "+limit)
(1 to limit).map(n => current+""+n)
}
def time = Text(timeNow.toString)
def buttonClick = {
import js.JE._
"* [onclick]" #> SHtml.ajaxCall(ValById("the_input"),
s => SetHtml("messages",
<i>Text box is {s}</i>))
}
}
}
}
}